/* ================================
   GLOBAL
================================== */
body {
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  margin: 0;
  padding-top: 66px; /* Fallback; JS will set exact height based on actual navbar */
}

/* Prevent horizontal scrollbars or page overflow on small screens */
html, body {
  width: 100%;
  overflow-x: hidden;
}


h1, h2, h3, h4, h5 {
  color: #004080;
  font-weight: 700;
}

a {
  color: #004080;
  text-decoration: none;
}

/* About page profile photo */
.profile-photo {
  width: 50%;
  max-width: 250px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  margin: 0 auto;
}

/* ================================
   NAVBAR
================================== */
.navbar {
  background-color: #004080 !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.navbar-brand {
  display: flex;
  align-items: center;
  font-weight: 600;
  font-size: 1.25rem;
}

.navbar-brand img { 
  margin-right: 10px; 
}

/* Links: no underline, themed colors */
.nav-link {
  color: #fff !important;
  font-weight: 500;
  text-decoration: none !important;
}
.nav-link:hover { 
  color: #66b2ff !important; 
}

/* Keep items on the right */
.navbar .navbar-collapse {
  justify-content: flex-end !important;
  flex-grow: 0;
}

/* Active page */
.navbar .nav-link.active {
  color: #66b2ff !important;
  font-weight: 600;
}

/* Consistent side padding */
.navbar .container { 
  padding-left: 1rem; 
  padding-right: 1rem; 
}

@media (min-width: 992px) {
  .navbar .container { padding-left: 2rem; padding-right: 2rem; }
}

/* Toggler: remove outline/border and animate to "X" */
.navbar-toggler {
  border: none !important;
  box-shadow: none !important;
  outline: none !important;
  width: 30px;
  height: 24px;
  position: relative;
  background: none;
  cursor: pointer;
  transition: all 0.3s ease;
}
.navbar-toggler:focus,
.navbar-toggler:active { box-shadow: none !important; outline: none !important; }

.toggler-icon {
  position: absolute;
  width: 100%;
  height: 3px;
  background-color: white;
  border-radius: 2px;
  left: 0;
  transition: all 0.3s ease;
}
.top-bar { top: 0; }
.middle-bar { top: 10px; }
.bottom-bar { top: 20px; }

/* transform to X when expanded */
.navbar-toggler.collapsed .top-bar { transform: none; }
.navbar-toggler:not(.collapsed) .top-bar { transform: rotate(45deg); top: 10px; }
.navbar-toggler:not(.collapsed) .middle-bar { opacity: 0; }
.navbar-toggler:not(.collapsed) .bottom-bar { transform: rotate(-45deg); top: 10px; }

/* Make navbar dropdown overlay page content instead of pushing it down */
.navbar-collapse.collapse.show {
  position: absolute;
  top: 100%;          /* Just below the navbar */
  right: 0;
  width: 100%;        /* Full width of navbar */
  background-color: rgba(0, 64, 128, 0.95); /* Slight transparency */
  z-index: 9999;
  padding: 1rem 0;
  transition: max-height 0.3s ease, opacity 0.3s ease;
}

/* Keep dropdown overlay stable during animation */
.navbar-collapse.collapse,
.navbar-collapse.collapsing {
  position: absolute;
  top: 100%;
  right: 0;
  width: 100%;
  background-color: rgba(0, 64, 128, 0.95);
  z-index: 9999;
  padding: 1rem 0;
}

/* Only override back to normal flow on large screens */
@media (min-width: 992px) {
  .navbar-collapse.collapse,
  .navbar-collapse.collapsing {
    position: static;
    background: none;
    width: auto;
    padding: 0;
  }
}

.navbar-nav {
  width: 100%;
  text-align: right;
}

.navbar-nav .nav-item {
  margin-right: 1rem;
}

@media (min-width: 992px) {
  /* Reset to normal inline layout on larger screens */
  .navbar-collapse.collapse.show {
    position: static;
    background: none;
    width: auto;
    padding: 0;
  }
  .navbar-nav {
    text-align: left;
    width: auto;
  }
}



/* ================================
   HERO
================================== */
.hero {
  background: linear-gradient(to right, #004080, #0059b3);
  color: white;
  text-align: center;
  padding: 100px 20px;
  height: 90vh;
  display: flex; align-items: center; justify-content: center; flex-direction: column;
}
.hero h1 { font-size: 3rem; font-weight: 700; margin-bottom: 20px; }
.hero p { font-size: 1.25rem; margin-bottom: 30px; }

/* ================================
   CONTENT
================================== */
.card {
  border: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-5px); box-shadow: 0 6px 20px rgba(0,0,0,0.1); }

section { padding-top: 60px; padding-bottom: 60px; }
.bg-light { background-color: #f9f9f9 !important; }

/* Approach numbers */
#approach .step-number {
  display: inline-flex; align-items: center; justify-content: center;
  width: 70px; height: 70px; background-color: #e6f0ff; color: #004080;
  border-radius: 50%; font-size: 1.25rem; font-weight: bold; margin-bottom: 15px;
}

/* ================================
   FOOTER
================================== */
footer {
  background-color: #004080;
  color: white;
  text-align: center;
  padding: 20px 10px;
  margin-top: 0;
  font-size: 0.9rem;
}
footer a { color: #66b2ff; text-decoration: none; }
footer a:hover { text-decoration: underline; }

.navbar .container,
.footer .container { padding-left: 1.25rem; padding-right: 1.25rem; }
@media (min-width: 992px) {
  .navbar .container, .footer .container { padding-left: 2rem; padding-right: 2rem; }
}

/* ================================
   RESPONSIVE
================================== */
@media (max-width: 768px) {
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1.1rem; }
  #approach .step-number { width: 60px; height: 60px; font-size: 1rem; }
}